Hair or the lack of it around women's private parts has become a hot topic. Whether we wax, shave, or grow it, pubic hair and what we should do with it has long been a hot topic for discussion.

From ripping it all out, to only waxing below, some woman are now preferring a fuller look.

A fan of the bush, Cameron Diaz earlier this year encouraged women to keep their vaginas "fully dressed".

Her argument: One day someone special will want to "unwrap it like the gift that it is".

Surprisingly, mannequins were even seen sprouting pubic hair after American Apparel - claiming to "honour women in all their ungroomed glory" - stuffed their figure's panties with merkins.

Though, it may have taken us a while to get back to the bush, according to Refinery 29, Korean women see pubic hair as a sign of "sexual health and fertility" and are going to great lengths to grow it.

"Yup, women are getting hair transplanted from their heads onto their lady parts," reports the website.

A lack of hair "down there" is known as pubic atrichosis. As a result women are seeking hair restoration surgery to address the not-so-hairy issue.

While Korean men believe its "unlucky to have sexual intercourse with a woman without pubic hair", this isn't the main cause for women to care about their pubic hair.

A 2006 study, examined cases of pubic hair restoration surgery and found the main reason women undergo the procedure was not because of men – instead they felt pressure from other women.

But the pressure other women put on each other to look a certain way doesn't just apply to women in Korea.

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In fact, a 2012 British study found women spend more time checking out other women than men.

Dr Caroline Walters, a body image and women's sexuality specialist, told the Telegraph, it's not just other women's clothes we're checking out, either. "It's practically every aspect of another woman's appearance, from hairstyle to tan, shape, size, even body hair and fat distribution."

So why do we do it?

"Females are partly programmed to do it," relationship psychotherapist Corinne Sweet explained to the Telegraph.

"Firstly it's only natural to compare yourself as it gives you a point of reference which can be reassuring. However, the harsh reality is that it's a cattle market out there and the commodity is male attention. Women are checking out the competition and identifying who the alpha female in the pack is. Women subconsciously put themselves in a hierarchy," she said.

The downside of making comparisons is that women tend to rank themselves lower in contrast.

Consistent negative comparisons can cause greater stress, anxiety and depression or as Refinery 29 reports, can give cause for women in Korea to "undergo an expensive and painful procedure to fit a cultural norm".

"So, to grow or mow? That is the question," according to Cosmopolitan.

"But one thing's for sure, we shouldn't judge a girl either way – your private hair is NOT there for public scrutiny. "